Advanced Seller Success Manager (fluent French & English)

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About the role

HI, WE’RE BACK MARKET. We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have. Are you ready to join us? Our Seller Success team sits at the heart of Back Market's marketplace — we're the bridge between our mission and the sellers who make it real. No great sellers, no refurbished revolution. Simple as that. As an Advanced Seller Success Manager, you'll own a portfolio of high-profile Smartphone and core category sellers across France and the EU. You're not just managing accounts — you're building genuine partnerships with the people helping us put the brakes on the "buy new" machine, one device at a time. YOUR MISSION (IF YOU ACCEPT IT): 🥇 You'll be the strategic partner your sellers didn't know they needed — part consultant, part data analyst, part relationship builder, and 100% committed to growth. - Own the sales and quality performance of your seller portfolio across all European Back Market websites - Build lasting relationships with sellers based in France and the EU, supporting their day-to-day needs with a consultative, solution-oriented approach (sales, marketing, logistics — you've got them covered) - Lead Business Reviews and strategic planning sessions, including on-site seller visits and operational audits - Leverage data to track performance, analyze trends, and build projections that fuel both seller strategy and Back Market's broader EU direction - Drive cross-functional projects to deliver tailored solutions for your sellers - Channel your field insights back into Back Market's business strategy — your experience on the ground is gold YOU ARE IN THE RIGHT PLACE IF: ⭐ You have: - 3+ years of experience in account management, sales, or a related field — or an equivalent track record that proves you know how to grow things - Excellent French and English communication skills, written and verbal - A proven ability to manage seller / customer portfolios and hit performance targets - Strong project management chops — you handle deadlines, competing priorities, and shifting goalposts with calm and creativity - A data-driven mindset: SQL and/or Tableau experience is a bonus, but a genuine readiness to level up your analytics skills is a must Nice to have: - Marketplace or e-commerce background - A genuine interest in sustainability and circular economy You also bring: - A proactive, positive attitude — you represent Back Market with confidence and warmth in every seller interaction, audits and visits - High empathy — you're the kind of person sellers trust and colleagues count on - A resourceful, scrappy spirit — if the playbook doesn't exist yet, you write it (and share it with the whole team) ABOUT THE ROLE - Location : Bordeaux is preferred, Paris to be discussed - 3 days/week at the office mandatory THE RECRUITMENT PROCESS 1. HR screen with the Talent Acquisition team (30–45 minutes) 2. Take-home case study 3. Interview with Roberto, hiring manager (45 minutes) 4. Interview with Antoine, EU Sellers Director (30 minutes) 5. Back Market values interview (45 minutes) WHY SHOULD YOU JOIN US ? ✌🏼 At Back Market, we’re committed to hiring and supporting diverse teams of pe

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